_ the environment is becoming more and more important.               [   

       _ the environment is becoming more and more important.               [   

题型:同步题难度:来源:
       _ the environment is becoming more and more important.               [     ]
A. Keep
B. Saving
C. Save
答案
B
举一反三
We should stop          plastic bags when we go shopping.             [     ]
A. to use
B. using
C. used
题型:同步题难度:| 查看答案
—May I borrow your new book?
—Here you are! I have just finished             it.[     ]
A. read
B. to read
C. reading
D. reads
题型:同步题难度:| 查看答案

用所给动词的适当形式填空 .
1. I am against _____ (build) a new zoo in our city.
2. Don"t worry.  All the little tigers _____ (take) good care of in the zoo.
3. _____ (collect) waste paper and bottles in the park is our duty.
4. We saw your brother _____ (throw) rubbish here just now.
5. We _____ (visit) a lot of famous zoos in the world so far.
6.         _ (not spit) everywhere.  You must keep the environment clean.
7. Some animals _____ (keep) in the zoo. I think it is not good for them.
8.  We find zoos are not suitableplace for animals _____ (live) in.
9. Many animals are only _____ (give) food once a day.
10. If we don"t support our zoo, they _____ (have) enough money to take care of so many fine animals.

题型:同步题难度:| 查看答案
Stop         _ so much noise! Your father is sleeping.          [     ]
A. to make            
B. making            
C. make
题型:同步题难度:| 查看答案
She has a dream of _____her own business in the future.   [     ]
A. own    
B. to own    
C. owning
题型:同步题难度:| 查看答案
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